Piperonal → HCID 328733, compound
Reaction equation
[CH3:1][C:2]([CH:4]1[CH2:6][CH2:5]1)=[O:3].[CH:7]1[C:12]([CH:13]=O)=[CH:11][C:10]2[O:15][CH2:16][O:17][C:9]=2[CH:8]=1>>[CH:4]1([C:2]([CH:1]=[CH:13][C:12]2[CH:7]=[CH:8][C:9]3[O:17][CH2:16][O:15][C:10]=3[CH:11]=2)=[O:3])[CH2:6][CH2:5]1Participants
3
Procedure
2-(3,4-Methylenedioxyphenyl)vinyl cyclopropyl ketone [III; Ar is 3,4-methylenedioxyphenyl, R is H] was prepared from 8.4 g. of cyclopropyl methyl ketone and 15 g. of piperonal according to the procedure described above in Preparation A1, affording 21.5 g., m.p. 85°-87° C. when recrystallized from ethanol.
Workup
- customaffording 21.5 g
- custom, m.p. 85°-87° C. when recrystallized from ethanol
Sources & evidence
- ORD record
- ord-6c6d463254394c7ea30c8063050d8a9b
- Source dataset
- uspto-grants-1979_10
- Patent number
- US04171378
Reaction notes
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